Hybrid sequencing, also known as third-generation sequencing, is a sequencing approach that combines the advantages of both short-read and long-read sequencing technologies. In hybrid sequencing, short-read sequencing is used to generate accurate and high coverage data for the majority of the genome, while long-read sequencing is used to span regions of the genome that are difficult to sequence using short-read technology, such as highly repetitive or complex regions.

Hybrid sequencing typically involves sequencing the DNA using a short-read sequencing platform, such as Illumina, and then using long-read sequencing platforms, such as PacBio or Oxford Nanopore, to sequence specific regions of interest. The short-read data is used to correct errors in the long-read data and to provide a high-quality consensus sequence for the genome.

Hybrid sequencing has several advantages over traditional short-read or long-read sequencing. It can produce accurate and high-quality genome assemblies, particularly for complex genomes, such as those of plants and animals. Hybrid sequencing can also enable the identification of structural variants, such as deletions, duplications, and inversions, that are difficult to detect using short-read sequencing alone. Hybrid sequencing has been used in various research fields, including agriculture, biomedicine, and microbiology, to study the genome and transcriptome of different organisms.